Cita APA (7a ed.)
Soars, L., & Soars, J. (2005). New Headway: Upper-Intermediate : Student's Book (3. edition, 1. published 2005.). Oxford University Press.
Cita Chicago Style (17a ed.)
Soars, Liz, y John Soars. New Headway: Upper-Intermediate : Student's Book. 3. edition, 1. published 2005. Oxford: Oxford University Press, 2005.
Cita MLA (9a ed.)
Soars, Liz, y John Soars. New Headway: Upper-Intermediate : Student's Book. 3. edition, 1. published 2005. Oxford University Press, 2005.
Precaución: Estas citas no son 100% exactas.